The Cambridges are expected to tour British Columbia and the territory of Yukon in September.

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A Kensington Palace spokesman said: "The Duke and Duchess are delighted to be returning to Canada. They hold very happy memories from their visit in 2011 - their first overseas tour as a married couple.

"They are really looking forward to seeing other parts of this beautiful country and having the opportunity to meet many more Canadians along the way."

David Johnston, governor general of Canada, said: "Sharon and I will be delighted to welcome Their Royal Highnesses The Duke and Duchess of Cambridge to Canada.

"Their Royal Tour will take them to the beautiful province of British Columbia and the scenic territory of Yukon. Once again, our true Canadian pride and spirit will shine and be at the very heart of this visit so they can feel at home."

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Specific details and dates for the trip have yet to be announced but the visit is likely to play an important part in the lead-up to events marking Canada's 150th anniversary next year. Mr Trudeau and his wife, Sophie Gregoire, are a glamorous couple and, like the Cambridges, have a young family.

William and Kate last visited the country a few months after their wedding in 2011 and received a rapturous welcome from Canadians.